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How tight is 30 inch pounds?

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Old 09-13-2004, 08:16 PM
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Jastx
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Question How tight is 30 inch pounds?

I am installing the SmarTire tire pressure monitoring system in conjunction with mounting some new tires. The instructions say to tighten the stainless steel strap that holds the sensor inside the tire to 30 inch pounds.

I have a torque wrench but it doesn't go down to inch pounds so I am asking how tight is 30 inch pounds relatively speaking? Can you describe it?

(Can't wait to see the smart-aleck answers )
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Old 09-13-2004, 08:29 PM
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Dudley
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Ok - I'll bite. What about 2.5 foot lbs?
I would assume if it was "snugged up" you would be fine.

Dave
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Old 09-13-2004, 08:37 PM
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Ron
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Relatively speaking; not very tight. 30 in lbs is the lowest setting on my 1/4" torque wrench. I'm thinking it's probably only finger tight with a 1/4" ratchet, but of couse that's rather vague too.

Maybe it would be a good idea to put some blue loctite on the bolt that holds that thing in there too.
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Old 09-13-2004, 09:05 PM
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ok - when faced with these problems i do the obvious thing. Just google it.

30 Inch-Pounds = 2.5 Foot-Pounds

here's where to get the answer.

http://www.sciencelab.com/data/conve...nversion.shtml

hope that helps.

cheers,
boris
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Old 09-13-2004, 10:48 PM
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kary993
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Let's see 30 in/lbs divided by 12 in/lbs (1 ft/lbs) = 2.5 ft/lbs...make sense?
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Old 09-13-2004, 11:01 PM
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Kary did you use a scientific calculator?!
This is a trick question right?
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Old 09-13-2004, 11:09 PM
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kary993
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Originally Posted by OldGuy
Kary did you use a scientific calculator?!
This is a trick question right?
No calculator, why do you ask ?
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Old 09-13-2004, 11:30 PM
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Cause Kary 30 divided by 12 is ... well like higher math!
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Old 09-13-2004, 11:54 PM
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Paul, I had to figure out how to do long division because my calculator ran outof batteries :-)
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Old 09-14-2004, 12:09 AM
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Kary I have an HP reverse polish notation one that has a finger treadmill on it and you can recharge it by letting your fingers do the charging!!
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Old 09-14-2004, 10:13 AM
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Ray Calvo
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About equal to grabbing a 1/4" ratchet wrench by the head with your fingertips and twisting the head. Prob. come close.

Then again, could go out and buy a danged torque wrench with the proper range, cheapskate.
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Old 09-14-2004, 11:06 AM
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Ray's answer is closest to what I was looking for. My torque wrench goes down to 25 foot pounds. I wanted an idea of how tight the feel should be if I just used a ratchet.

I'll suck it up and buy the darn wrench...

Thanks everyone!
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Old 09-14-2004, 11:23 AM
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small
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Here is my description: take 2.5ft long wrench, put it around the nut, apply 1 pound of force(tie 1lb bag of potatoes) to the other end of the wrench - that's how much 2.5ft/lb torque is.
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Old 09-14-2004, 01:14 PM
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Thanks small....what kind of potatoes should that be?
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